package main

import "fmt"

func changeNumber(age int) {
	age = 100
}
func changePointerNum(c *int) {
	*c = 1000
}
func main() {
	age := 10

	changeNumber(age)
	fmt.Println(age)

	fmt.Println("----------------------------")

	changePointerNum(&age)

	fmt.Println(age)

}
